paraboloid
/pəˈræbəˌlɔɪd/
noun
- A three-dimensional shape that is formed by rotating a parabola around its axis, or a surface that has a parabolic cross-section in every direction.
- The architect designed the roof as a paraboloid to let in more light.
- In math class, we learned how to calculate the volume of a paraboloid.
- The satellite dish is shaped like a paraboloid to focus signals.
adjective
- Having the shape or properties of a paraboloid.
- They built a paraboloid solar cooker that concentrates sunlight to heat food.
- The paraboloid mirror in the telescope collects light from distant stars.
- The paraboloid surface of the lens helps reduce distortion.